// Create inner BooleanQuery
        BooleanQuery.Builder innerBoolQueryBuilder = new BooleanQuery.Builder();
        TermQuery innerTermQuery = new TermQuery(new Term("innerField", "innerValue"));
        innerBoolQueryBuilder.add(innerTermQuery, BooleanClause.Occur.MUST);
        BooleanQuery innerBooleanQuery = innerBoolQueryBuilder.build();

        // Create outer BooleanQuery